3OB8

Structure of the beta-galactosidase from Kluyveromyces lactis in complex with galactose

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0003824	molecular_function	catalytic activity
A	0004553	molecular_function	hydrolase activity, hydrolyzing O-glycosyl compounds
A	0004565	molecular_function	beta-galactosidase activity
A	0005975	biological_process	carbohydrate metabolic process
A	0005990	biological_process	lactose catabolic process
A	0009056	biological_process	catabolic process
A	0009341	cellular_component	beta-galactosidase complex
A	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
A	0030246	molecular_function	carbohydrate binding
B	0003824	molecular_function	catalytic activity
B	0004553	molecular_function	hydrolase activity, hydrolyzing O-glycosyl compounds
B	0004565	molecular_function	beta-galactosidase activity
B	0005975	biological_process	carbohydrate metabolic process
B	0005990	biological_process	lactose catabolic process
B	0009056	biological_process	catabolic process
B	0009341	cellular_component	beta-galactosidase complex
B	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
B	0030246	molecular_function	carbohydrate binding
C	0003824	molecular_function	catalytic activity
C	0004553	molecular_function	hydrolase activity, hydrolyzing O-glycosyl compounds
C	0004565	molecular_function	beta-galactosidase activity
C	0005975	biological_process	carbohydrate metabolic process
C	0005990	biological_process	lactose catabolic process
C	0009056	biological_process	catabolic process
C	0009341	cellular_component	beta-galactosidase complex
C	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
C	0030246	molecular_function	carbohydrate binding
D	0003824	molecular_function	catalytic activity
D	0004553	molecular_function	hydrolase activity, hydrolyzing O-glycosyl compounds
D	0004565	molecular_function	beta-galactosidase activity
D	0005975	biological_process	carbohydrate metabolic process
D	0005990	biological_process	lactose catabolic process
D	0009056	biological_process	catabolic process
D	0009341	cellular_component	beta-galactosidase complex
D	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
D	0030246	molecular_function	carbohydrate binding

Functional Information from PROSITE/UniProt

site_id	PS00608
Number of Residues	15
Details	GLYCOSYL_HYDROL_F2_2 Glycosyl hydrolases family 2 acid/base catalyst. DVNHPSIIIWSlg.NE

Chain	Residue	Details
A	ASP468-GLU482

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site_id	PS00719
Number of Residues	26
Details	GLYCOSYL_HYDROL_F2_1 Glycosyl hydrolases family 2 signature 1. NaVRNSHYPnhpkVYdlfDklGFWVI

Chain	Residue	Details
A	ASN383-ILE408

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	4
Details	ACT_SITE: Proton donor => ECO:0000250

Chain	Residue	Details
A	GLU482
B	GLU482
D	GLU482
C	GLU482

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site_id	SWS_FT_FI2
Number of Residues	4
Details	ACT_SITE: Nucleophile => ECO:0000250

Chain	Residue	Details
A	GLU551
B	GLU551
D	GLU551
C	GLU551

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